16. Which one of the following National Parks lies completely in the temperate alpine
a) Manas National Park
b) Namdahpa National Park
c) Neora Valley National Park
d) Valley of Flowers National Park
Answer. D)
17. On 21st June, the Sun
a) does not set below the horizon at the Arctic Circle
b) does not set below the horizon at the Antarctic Circle
c) shines vertically overhead at noon on the Equator
d) shines vertically overhead at the Tropic of Capricorn
Answer. A)
18. Consider the following statements:
1. Agricultural soils release nitrogen oxides into the environment.
2. Cattle release ammonia into the environment.
3. Poultry industry releases reactive nitrogen compounds into the environment.
Which of the statements given above is/are correct?
a) 1 and 3 only
b) 2 and 3 only
c) 2 only
d) 1, 2 and 3
Answer. D)
19. What is common to the places known as Aliyar, Isapur, and Kangsabati?
a) Recently discovered uranium deposits
b) Tropical rain forests
c) Underground cave systems
d) Water reservoirs
Answer. D)
20. In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements:
1. The main advantage of the use of H-CNG is the elimination of carbon monoxide emissions.
2. H-CNG as a fuel reduces carbon dioxide and hydrocarbon emissions.
3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses.
4. H-CNG makes the fuel less expensive than CNG.
Which of the statements given above is/are correct?
a) 1 only
b) 2 and 3 only
c) 4 only
d) 1, 2, 3 and 4
Answer. B)
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